YOU SAID:

its okay its not that heavy

INTO JAPANESE

大丈夫、それほど重くない

BACK INTO ENGLISH

Okay, not so heavy

INTO JAPANESE

さて、それほど重くはありません

BACK INTO ENGLISH

Well, it's not that heavy

INTO JAPANESE

まあ、それほど重くはありません

BACK INTO ENGLISH

Well, it's not that heavy